认识这些基本性质，有助于理解知识、理解图书馆学和图书馆工作。

To understand these natures will be helpful for the understanding of knowledge, library science and library practices.

youdao

认识这些基本性质，有助于理解知识、理解图书馆学和图书馆工作。

To understand these natures will be helpful for the understanding of knowledge, library science and library practices.

youdao